Skip Page Navigation
NASA JPL Caltech
NASA Logo - Jet Propulsion Laboratory + View the NASA Portal
+ Center for Near-Earth Object Studies
JPL Home Earth Solar System Stars & Galaxies Technology
JPL Solar System Dynamics
BODIES ORBITS EPHEMERIDES TOOLS PHYSICAL DATA DISCOVERY FAQ SITE MAP
JPL Small-Body Database Browser
Search: [ help ]  
40806 (1999 TX41)
Classification: Main-belt Asteroid          SPK-ID: 2040806
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459200.5 (2020-Dec-17.0) TDB
Reference: JPL 20 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1629065555187792 4.0618e-08  
a 2.363574225260366 7.5331e-09 au
q 1.978532489510233 9.8141e-08 au
i 1.640942245225735 3.8993e-06 deg
node 250.4699520979097 0.00014163 deg
peri 356.1605529145913 0.00014219 deg
M 34.70915839531352 1.2495e-05 deg
tp 2459072.534211382732
(2020-Aug-11.03421138)
4.608e-05 TDB
period 1327.248658049758
3.63
6.3452e-06
1.737e-08
d
yr
n .271237795432379 1.2967e-09 deg/d
Q 2.748615961010499 8.7603e-09 au
  Orbit Determination Parameters
   # obs. used (total)      754  
   data-arc span      10181 days (27.87 yr)  
   first obs. used      1992-10-21  
   last obs. used      2020-09-05  
   planetary ephem.      DE441  
   SB-pert. ephem.      SB441-N16  
   condition code      0  
   norm. resid. RMS      .57691  
   source      ORB  
   producer      Otto Matic  
   solution date      2021-Apr-13 08:55:11  

Additional Information
 Earth MOID = .963433 au 
 Jupiter MOID = 2.27497 au 
 T_jup = 3.531 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.29   n/a E2021B10  
rotation period rot_per 6.41500 h n/a LCDB (Rev. 2020-October); Warner et al., 2009 sidereal period (not synodic); Result based on less than full coverage, so that the period may be wrong by 30 percent or so.
Published Reference List:
[Durech, J.; Hanus, J.; Oszkiewsicz, D.; Vanco, R. (2016) Astron. Astrophys. 587, A48.]

40806 (1999 TX41)          Discovered 1999-Oct-03 by Spacewatch at Kitt Peak
Reference: 20020526/Numbers.arcLast Updated: 2004-04-19

[ hide close-approach data ]
Close-Approach Data   ...sorted by Date/Time (TDB)
Date/Time (TDB) Time Uncertainty
(days_HH:MM)
Body Nominal Distance (au) Minimum Distance (au) Maximum Distance (au) V-relative (km/s) V-infinity (km/s) JD (TDB) Time Uncertainty (minutes) Semi-major axis (km) Semi-minor axis (km) range-LOV angle (deg) N-sigma BP Orbit Ref. Reference Modified
1906-Sep-08 13:11 00:02 David 0.0164985538840018 0.0164963769532607 0.0165007534301107 7.18595426680769 7.18595413938326 2417462.049357185 1.57842588414967 1032.24860911088 37.7708974299901 84.3060352301425 65001.4992684364 T 20 CATAB v2.0f-lin.ifort 2021-Apr-13 08:55:13 2021-Apr-13 08:55
2128-Jul-09 13:11 < 00:01 Eunom 0.0474553997008758 0.0474350455523064 0.047475758693938 7.18126794456866 7.1812679033772 2498486.049471496 0.440614915283693 1265.89982188992 48.228229676895 -36.7428384113431 88142.8728694255 T 20 CATAB v2.0f-lin.ifort 2021-Apr-13 08:55:13 2021-Apr-13 08:55

Alternate Designations
 1999 TX41 = 1998 EB1 
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
ABOUT SSD CREDITS/AWARDS PRIVACY/COPYRIGHT GLOSSARY LINKS
FirstGov 2021-May-17 23:57 UT
(server date/time)  
NASA Home Page
Site Manager:   Ryan S. Park
Webmaster  Alan B. Chamberlin